package com.example.controller;

import com.example.mapper.UserMapper;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class MyController {
    @RequestMapping({"/","/index"})
    public String toIndex(Model model){
        model.addAttribute("msg","hello,shiro");
        return "index";
    }
    @RequestMapping("/user/add")
    public String toAdd(){
        return "/user/add";
    }
    @RequestMapping("/user/update")
    public String toUpdate(){
        return "/user/update";
    }
    @RequestMapping("/toLogin")
    public String toLogin(){
        return "login";
    }
    @RequestMapping("/login")
    public String login(String username,String password,Model model){
        Subject subject = SecurityUtils.getSubject();
        UsernamePasswordToken token = new UsernamePasswordToken(username,password);
        try {
            subject.login(token);
            return "index";
        } catch (UnknownAccountException e) {
            model.addAttribute("msg","用户名错误");
            e.printStackTrace();
            return "login";
        }catch (IncorrectCredentialsException e){
            model.addAttribute("msg","密码错误");
            e.printStackTrace();
            return "login";
        }
    }
    @RequestMapping("/toLogout")
    public String toLogout(){
        Subject subject = SecurityUtils.getSubject();
        subject.logout();
        System.out.println("你已经注销！");
        return "index";
    }
    @RequestMapping("/noauth")
    @ResponseBody
    public String noauth(){
        return "对不起，你没有访问权限";
    }
}
